Analysis Summary
Notes:
- 1) No attempt has been made to eliminate the non-significant decimal places.
- 2) This batgrbproduct analysis is done using the HEASARC data.
- 3) This batgrbproduct analysis is using the flight position for the mask-weighting calculation.
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BAT GRB EVENT DATA PROCESSING REPORT
Process Script Ver: batgrbproduct v2.46
Process Start Time: Wed Jun 21 15:42:25 EDT 2017
Host Name: bat1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger755343
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Trigger: 00755343 Segment: 000
BAT Trigger Time: 517954072 [s; MET]
Trigger Stop: 517954136 [s; MET]
UTC: 2017-05-31T20:07:32.854060 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 121.26141607388 Dec: -14.0329183842728 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 7.14
Image Trigger?: YES
Rate S/N Ratio: 0 [ if not an image trigger ]
Image S/N Ratio: 7.14
Analysis Position: [ source = BAT ]
RA: 121.26141607388 Dec: -14.0329183842728 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 121.217595678026 Dec: -14.0162260395099 [deg; J2000]
{ 08h 04m 52.2s , -14d 00' 58.4" }
+/- 2.38920856447251 [arcmin] (estimated 90% radius based on SNR)
+/- 1.13621791953754 [arcmin] (formal 1-sigma fit error)
SNR: 8.76507089210646
Angular difference between the analysis and refined position is 2.740425 arcmin
Partial Coding Fraction: 0.9296875 [ including projection effects ]
Duration
T90: 32.3039999604225 +/- 7.92819475938395
Measured from: -9.94800001382828
to: 22.3559999465942 [s; relative to TRIGTIME]
T50: 16.555999994278 +/- 5.74570581899996
Measured from: -2.68800002336502
to: 13.8679999709129 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: -4.31599998474121
to: -3.31599998474121 [s; relative to TRIGTIME]
Total Fluence
Measured from: -13.244000017643
to: 25.7960000038147 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.307406 0.345636 0.391131 0.145723
0.052694 0.052675 0.047972 0.048472 [error]
Peak 0.017965 0.015137 0.019821 0.030882
0.008433 0.008589 0.007881 0.007950 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 39.040 -13.244 25.796
T90 32.304 -9.948 22.356
T50 16.556 -2.688 13.868
Peak 1.000 -4.316 -3.316
====== Spectral Analysis Summary =====================================
Model : spectral model: simple power-law (PL) and cutoff power-law (CPL)
Ph_index : photon index: E^{Ph_index}
Ph_90err : 90% error of the photon index
Epeak : Epeak in keV
Epeak_90err: 90% error of Epeak
Norm : normalization at 50 keV in both the PL model and CPL model
Nomr_90err : 90% error of the normalization
chi2 : Chi-Squared
dof : degree of freedo
=== Time-averaged spectral analysis ===
(Best model with acceptable fit: PL)
Model Ph_index Ph_90err_low Ph_90err_hi Epeak Epeak_90err_low Epeak_90err_hi Norm Nomr_90err_low Norm_90err_hi chi2 dof
PL -1.217 -0.276 0.280 - - - 1.91e-03 -2.59e-04 2.58e-04 57.890 57
CPL -1.229 -1.611 0.329 9999.360 N/A N/A 1.91e-03 N/A N/A 57.920 56
=== 1-s peak spectral analysis ===
(Best model with acceptable fit: N/A)
Model Ph_index Ph_90err_low Ph_90err_hi Epeak Epeak_90err_low Epeak_90err_hi Norm Nomr_90err_low Norm_90err_hi chi2 dof
PL 0.183 -0.423 2.636 - - - 2.84e-03 -2.84e-03 1.02e-03 67.740 57
CPL -0.097 N/A N/A 9999.360 N/A N/A 3.39e-03 N/A N/A 67.870 56
=== Fluence/Peak Flux Summary ===
Model Band1 Band2 Band3 Band4 Band5 Total
15-25 25-50 50-100 100-350 15-150 15-350 keV
Fluence PL 7.29e-08 1.59e-07 2.74e-07 1.09e-06 7.51e-07 1.60e-06 erg/cm2
90%_error_low -1.96e-08 -2.54e-08 -4.88e-08 -3.94e-07 -1.19e-07 -4.29e-07 erg/cm2
90%_error_hi 2.14e-08 2.46e-08 4.77e-08 5.41e-07 1.21e-07 5.58e-07 erg/cm2
Peak flux PL 2.29e-02 6.52e-02 1.52e-01 9.55e-01 4.09e-01 1.17e+00 ph/cm2/s
90%_error_low -2.29e-02 -6.52e-02 -1.52e-01 -4.01e-01 -4.09e-01 -6.06e-01 ph/cm2/s
90%_error_hi 1.08e-01 1.09e-01 2.62e-02 2.15e+00 7.42e-02 2.03e+00 ph/cm2/s
Fluence CPL 7.29e-08 1.60e-07 2.74e-07 1.08e-06 7.50e-07 1.59e-06 erg/cm2
90%_error_low -1.97e-08 -2.54e-08 N/A N/A -1.18e-07 -5.82e-07 erg/cm2
90%_error_hi 2.14e-08 2.45e-08 N/A N/A 1.21e-07 4.81e-07 erg/cm2
Peak flux CPL N/A N/A N/A N/A N/A N/A ph/cm2/s
90%_error_low -2.29e-02 -6.52e-02 -1.52e-01 -4.01e-01 -4.09e-01 -6.06e-01 ph/cm2/s
90%_error_hi 1.08e-01 1.09e-01 2.62e-02 2.15e+00 7.42e-02 2.03e+00 ph/cm2/s
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